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bring back dependencies

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This commit is contained in:
mherbaghinyan 2018-08-10 17:50:13 +04:00
parent adb14c2b95
commit dccf0c3b0b
1 changed files with 16 additions and 6 deletions
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22
core-java-collections/src/main/java/com/baeldung/performance/CollectionsBenchmark.java
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@ -1,6 +1,9 @@
package com.baeldung.performance; package com.baeldung.performance;
import org.openjdk.jmh.annotations.*; import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashSet; import java.util.HashSet;
@ -15,14 +18,14 @@ public class CollectionsBenchmark {
private Set<Employee> employeeSet = new HashSet<>(); private Set<Employee> employeeSet = new HashSet<>();
private List<Employee> employeeList = new ArrayList<>(); private List<Employee> employeeList = new ArrayList<>();
private final long m_count = 16; private long iterations = 10000;
private Employee employee = new Employee(100L, "Harry"); private Employee employee = new Employee(100L, "Harry");
@Setup(Level.Invocation) @Setup(Level.Trial)
public void setUp() { public void setUp() {
for (long ii = 0; ii < m_count; ii++) { for (long ii = 0; ii < iterations; ii++) {
employeeSet.add(new Employee(ii, "John")); employeeSet.add(new Employee(ii, "John"));
employeeList.add(new Employee(ii, "John")); employeeList.add(new Employee(ii, "John"));
@ -35,19 +38,26 @@ public class CollectionsBenchmark {
@Benchmark @Benchmark
@BenchmarkMode(Mode.AverageTime) @BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MINUTES) @OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 1)
public boolean testArrayList(MyState state) { public boolean testArrayList(MyState state) {
return state.employeeList.contains(state.employee); return state.employeeList.contains(state.employee);
} }
@Benchmark @Benchmark
@BenchmarkMode(Mode.AverageTime) @BenchmarkMode(Mode.AverageTime)
@OutputTimeUnit(TimeUnit.MINUTES) @OutputTimeUnit(TimeUnit.NANOSECONDS)
@Warmup(iterations = 1)
public boolean testHashSet(MyState state) { public boolean testHashSet(MyState state) {
return state.employeeSet.contains(state.employee); return state.employeeSet.contains(state.employee);
} }
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
org.openjdk.jmh.Main.main(args); Options options = new OptionsBuilder()
.include(CollectionsBenchmark.class.getSimpleName()).threads(1)
.forks(1).shouldFailOnError(true)
.shouldDoGC(true)
.jvmArgs("-server").build();
new Runner(options).run();
} }
} }